Finding the Fourth Proportional to 265,138.08, 397,769.38 and 87,645.08
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Solution
The fourth proportional to 265,138.08, 397,769.38 and 87,645.08 is: 131,488.20
Step by Step Solution
- Step 1: Write the proportion equation
265,138.08 : 397,769.38 = 87,645.08 : x - Step 2: Convert to fraction form
265,138.08/397,769.38 = 87,645.08/x - Step 3: Cross multiply
265,138.08x = 397,769.38 × 87,645.08 - Step 4: Simplify right side
265,138.08x = 34,862,529,131.65 - Step 5: Solve for x
x = 34,862,529,131.65/265,138.08 - Step 6: Final answer
x = 131,488.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.